High Availability Principle : Request Queueing

Posted on February 24, 2010 by Ashish Soni

In my earlier post about concurrency control I mentioned that due to the exponential characteristic of response time with increasing concurrency it is better to potentially reject the extra requests than letting them negatively affect your system.  While rejecting these requests is an option it is not the most desirable option. Request Queuing offers a [...]

Filed under: High Availability, operations, Software As A Service | Tagged: , , | 7 Comments »

High Availability Principle : Concurrency Control

Posted on February 5, 2010 by Ashish Soni

One important high availability principle is concurrency control.  The idea is to allow only that much traffic through to your system which your system can handle successfully.  For example: if your system is certified to handle a concurrency of 100 then the 101st request should either timeout, be asked to try later  or wait until [...]

Filed under: High Availability, operations, Software As A Service | Tagged: , , | 3 Comments »

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